CVE-2022-45794 HIGH

CVE-2022-45794: Omron CJ-series and CS-series unauthenticated filesystem access.

Vendor Omron
Product CJ-series and CS-series CPU modules
Weakness CWE-306 · Missing auth
Published January 10, 2024
Last update May 22, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.

Key dates

02Disclosure timeline

January 10, 2024 CVE published
May 22, 2025 Record updated